Products > Astec > Horizontal Directional Drills > Astec DD-6

Benefits and Features

Engine

  • Engine Deere 6068T turbodiesel Rating 188 hp (140 kW) gross 166 hp (123.8 kW) continuous duty
  • Fuel capacity 40 U.S. gallons (150 litres)

Rotary Drive

  • Rotary system
    • Pinion and gear drive
    • Infinitely variable torque
  • Rotary (high torque) 10,000 ft-lb (13,558 Nm) @ 0-50rpm
  • Rotary (low torque) 4,500 ft-lb (6,101 Nm) @ 0-110 rpm Max.
  • Rotary speed 110 rpm Mud flow rate Up to 250 U.S. gallons/minute (945 lit/min) @ 1,500 psi (103 bar)
  • Fluid course 2" (50 mm)
  • Other features
    • Rear mounted mud swivel
    • 2" (50 mm) internal diameter
    • drive brake
    • floating carriage
    • digital tachometer
    • wireline commutator
    • adjustable torque limiter.

Carriage Drive

  • Max. thrust/pullback 60,000 lb (266.9 kN) low range
  • Carriage system
    • Rack and pinion
    • Four pinion drive with adjustable force limiter
  • Carriage speed (HI) 65 ft/min (19.2 m/min)
  • Carriage speed (LO) 32 ft/min (9.8 m/min)

Pipe Loader (optional)

  • Integral to drill
  • Holds 9 pieces of 15' drill pipe
  • Additonal pipe baskets each hold 9 pieces
  • Total pipe on drill at one time is 270' (82.3m)

Drilling Unit

  • Travel system -- self propelled on rubber tracks
  • Drill angle 12 --26 degrees
  • Wrench/clamp -- open top type
  • Weight, drill unit
    • Approx. 22,250 lb (10,100 kg) without pipe
    • Approx. 26,250 lb (11,918 kg) with 18 pieces of pipe
  • Hold down system
    • H-beam stakes available
    • Hydraulic augers available

Drilling Fluid Systems

  • Triplex pump (optional) 0-130 GPM (0-510 lit/min) variable speed Max. pressure 1,500 psi (105.5 bar)

On Board Crane (optional)

  • 6,000 lb (2,725 kg) rated capacity
  • Remote control pendant
  • Boom extends hydraulically
  • Winch and slewing drive: high torque hydraulic motors
  • Anti-two block device.

Drill Pipe

  • Astec part number 01DT1516
  • Length 15 ft. (4,570 mm) Outside dia. (tube) 3-1/2 inch (89 mm)
  • Water course 1-3/4 inch (44 mm)
  • Tool joint O.D. 4-1/8 inch (105 mm)
  • Thread type 2-7/8 IF pin x box

Protective Equipment

  • Each drill comes with dielectric boots and gloves, safety mats and electrical grounding rods
  • A Zap-Alert system is standard equipment
  • Emergency shut down switch at driller's console
  • The es!lok lockout system is standard equipment. 

Please contact Astec Underground at
9600 Corporate Park Drive | Loudon, TN 37774-5584
Phone (865) 408-2100 | Toll Free (800) 527-6020 | Fax (865) 458-8575

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